Weather in Isère

Calculated from weather data of Grenoble-Alpes Isère (LFLS) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	43.0	46.0	44.0	42.0	40.0	49.0
February	51.0	52.0	51.0	51.0	53.0	55.0
March	56.0	58.0	56.0	58.0	55.0	55.0
April	62.0		58.0	61.0	59.0	67.0
May	68.0		67.0	74.0	65.0	70.0
June	78.0		80.0	82.0	77.0	74.0
July	83.0		83.0	87.0	77.0	84.0
August	82.0		84.0	86.0	76.0	84.0
September	74.0		79.0	72.0	74.0	75.0
October	65.0		70.0	69.0	63.0	59.0
November	51.0		52.0	55.0	47.0	55.0
December	45.0		49.0	41.0	43.0	45.0
Average	62.0	52.0	64.0	66.0	61.0	64.0

52nd highest temperature of France

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	31.0	33	34	29	31	32
February	34.0	38	30	33	36	35
March	36.0	39	37	34	35	36
April	39.0		40	38	36	41
May	48.0		49	50	44	48
June	56.0		56	58	56	54
July	58.0		60	58	57	57
August	58.0		58	60	55	58
September	52.0		55	51	54	53
October	46.0		49	51	42	44
November	38.0		39	41	35	38
December	33.0		34	32	32	34
Average	43.0	36.0	45.0	45.0	43.0	44.0

13th lowest temperature of France

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
86 °F or warmer	0	31	42	8	30
77 °F or warmer	0	95	100	53	71
68 °F or warmer	3	144	155	121	140
32 °F or colder	17	57	58	61	46

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	21.0	27	25	9	33	10
February	14.0	8	6	16	14	25
March	15.6	24	19	4	10	11
April	13.1		23	16	13	7
May	14.3		17	4	24	11
June	9.0		6	8	12	10
July	4.9		3	1	15	2
August	6.5		10	6	10	7
September	8.6		2	12	13	11
October	12.7		14	9	7	18
November	17.5		35	20	10	5
December	27.8		29	26	31	30
Average	13.5	20.0	14.6	9.5	15.4	11.4

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (miles per hour)

Month	Average	2024	2023	2022	2021	2020
January	7.8	8	8	8	8	7
February	8.3	7	7	9	8	10
March	8.0	8	8	8	9	8
April	7.7		7	8	9	6
May	7.3		7	7	7	7
June	6.8		6	8	7	7
July	7.2		7	8	6	8
August	7.1		8	7	6	8
September	6.8		7	7	6	6
October	7.4		7	7	8	8
November	7.4		8	7	7	8
December	7.5		8	6	8	8
Average	7.4	7.9	7.4	7.6	7.2	7.5

78th highest wind speed of France

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	NE	N	N	N	NE
February	N	N	N	S	E
March	S	W	SW	N	N
April		N	NW	NW	SW
May		NW	NW	W	NW
June		N	NW	NW	NW
July		NW	N	NW	NW
August		NW	NW	N	NW
September		S	NW	NE	N
October		S	SE	NW	NW
November		NE	NE	N	NE
December		NE	NE	NE	NE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Isère weather Q&A

What is the warmest month in Isère?

The warmest month is July with an average temperature of 83 °F over the past years.

What is the coldest month in Isère?

The coldest month is January with an average daytime temperature of 43 °F in the past few years.

Which month is the wettest in Isère?

Chance of precipitation is the highest in December with a probability of around 27.9 %.

Which month is the driest in Isère?

The least rainfall and snow can be expected in July. The probability is about 4.9 %.